crc_priv.h File Reference

STM32G4 CRC register-level implementation interface. More...

#include "stm32g474xx.h"

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Functions
void	CRC_PRIV_enableClock (void)
	Enable the CRC peripheral clock on AHB1.
void	CRC_PRIV_setConfig (void)
	Configure the polynomial, size, and initial value for CRC-32/MPEG-2.
void	CRC_PRIV_reset (void)
	Reset the CRC unit, reloading the initial value into the data register.
void	CRC_PRIV_feedWord (uint32_t word)
	Feed one 32-bit word into the CRC data register.
uint32_t	CRC_PRIV_readResult (void)
	Read the accumulated CRC result from the data register.

Variables
static constexpr uint32_t	CRC_PRIV_POLY_CRC32 = 0x04C11DB7
	CRC-32/MPEG-2 polynomial.
static constexpr uint32_t	CRC_PRIV_INIT_VALUE = 0xFFFFFFFF
	Initial CRC value loaded into the data register on reset.

Detailed Description

STM32G4 CRC register-level implementation interface.

Author

Hannah Song (song8.nosp@m.92@p.nosp@m.urdue.nosp@m..edu)

Function Documentation

CRC_PRIV_enableClock()

void CRC_PRIV_enableClock

(

void

)

Enable the CRC peripheral clock on AHB1.

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CRC_PRIV_feedWord()

void CRC_PRIV_feedWord

(

uint32_t

word

)

Feed one 32-bit word into the CRC data register.

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CRC_PRIV_readResult()

uint32_t CRC_PRIV_readResult

(

void

)

Read the accumulated CRC result from the data register.

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CRC_PRIV_reset()

void CRC_PRIV_reset

(

void

)

Reset the CRC unit, reloading the initial value into the data register.

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CRC_PRIV_setConfig()

void CRC_PRIV_setConfig

(

void

)

Configure the polynomial, size, and initial value for CRC-32/MPEG-2.

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Variable Documentation

CRC_PRIV_INIT_VALUE

uint32_t CRC_PRIV_INIT_VALUE = 0xFFFFFFFF

staticconstexpr

Initial CRC value loaded into the data register on reset.

CRC_PRIV_POLY_CRC32

uint32_t CRC_PRIV_POLY_CRC32 = 0x04C11DB7

staticconstexpr

CRC-32/MPEG-2 polynomial.